MCP Servers 211

Postmark

io.github.activecampaign/postmark-mcp

B◆ advisory

Official Postmark MCP server by ActiveCampaign — 24 tools to send, template, search, and diagnose transactional email from Claude, Cursor & other AI assistants.

Thunderbird

io.github.tkasperczyk/thunderbird-mcp

C◆ advisory

MCP server for Thunderbird - enables AI assistants to access email, contacts, and calendars

Atomic Mail

io.github.Atomic-Mail/mcp

A✓Verified

Programmable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.

Jmap

io.github.wyattjoh/jmap-mcp

B◆ advisory

A Model Context Protocol (MCP) server that provides tools for interacting with JMAP (JSON Meta Application Protocol) email servers.

Notifykit

io.github.sathergate/notifykit

B✓Verified

Unified notifications for Next.js.

Read emails, send messages, and manage labels in your Gmail account.

Send, track, and manage transactional and bulk email delivery

Send, read, organize emails, manage labels, drafts, and filters

Apple Mail

io.github.JonathanRReed/apple-mcp-mail

A✓Verified

Read, search, compose, and send emails via Apple Mail on macOS.

Gmail

io.github.domdomegg/gmail-mcp

B✓Verified

Allow AI systems to read, send, archive, and manage emails via Gmail.

A MCP server for Gmail that lets you search, read, and draft emails and replies.

smbCloud Mail & Auth

io.github.smbcloudXYZ/smbcloud-cli

B✓Verified

Email infrastructure and authentication for developers: domains, inbox routes, auth apps, deploys.

Agent infra: email, phone, social, domains, VPS, wallets.

Proton Mail (unofficial)

io.github.sethbang/proton-mail-mcp

A✓Verified

Unofficial Proton Mail MCP — send, read, search & organize email over SMTP and IMAP

Give your agent its own email address with graduated human oversight, from approval to autonomy.

AI-native email marketing.

Authenticated Samva email tools, including public documentation and template discovery.

Surface customer & prospect context from Slack, email, transcripts and tickets in any MCP client.

Four market-statistics tools + a free qd_ key by email: 1 anonymous look, then 10 calls/UTC day.

Internet identity for AI agents: register or broker domains, email, DNS - pay by card or USDC.

Send WhatsApp, SMS, email or voice to a business with the compliance gate enforced.

AI-powered email & WhatsApp for teams — manage your shared inbox from Claude, Cursor or ChatGPT.

Mail.app

io.github.p-l-ta/mail-mcp

B✓Verified

Search, read, send, and manage email via macOS Mail.app across all configured accounts.

Audit a domain email deliverability via Apify: SPF, DKIM, DMARC, MX, blacklist, catch-all, age.